Home / 124,040.03-171,102.17-78,026.34

Finding the Fourth Proportional to 124,040.03, 171,102.17 and 78,026.34

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Solution

The fourth proportional to 124,040.03, 171,102.17 and 78,026.34 is: 107,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,040.03 : 171,102.17 = 78,026.34 : x
  2. Step 2: Convert to fraction form
    124,040.03/171,102.17 = 78,026.34/x
  3. Step 3: Cross multiply
    124,040.03x = 171,102.17 × 78,026.34
  4. Step 4: Simplify right side
    124,040.03x = 13,350,475,965.41
  5. Step 5: Solve for x
    x = 13,350,475,965.41/124,040.03
  6. Step 6: Final answer
    x = 107,630.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.